JP2021026056A - 物品製造方法、膜形成方法、型製造方法、露光装置、情報処理方法およびプログラム - Google Patents
物品製造方法、膜形成方法、型製造方法、露光装置、情報処理方法およびプログラム Download PDFInfo
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
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- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02282—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process liquid deposition, e.g. spin-coating, sol-gel techniques, spray coating
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Abstract
Description
Claims (28)
- 基板の上に焦点補償膜を形成する第1形成工程と、
前記焦点補償膜の上にレジスト層を形成する第2形成工程と、
露光装置を用いて前記レジスト層に原版のパターンを転写する転写工程と、を含み、
前記第1形成工程では、前記焦点補償膜が前記露光装置の像面形状に応じた表面形状を有するように前記焦点補償膜を形成する、
ことを特徴とする物品製造方法。 - 前記像面形状を計測する計測工程を更に含む、
ことを特徴とする請求項1に記載の物品製造方法。 - 前記第1形成工程は、前記基板の上に平坦化膜が形成された後に実施される、
ことを特徴とする請求項1又は2に記載の物品製造方法。 - 前記平坦化膜は、前記基板の上に第1組成物を配置し、前記第1組成物と第1型とを接触させ、前記第1組成物を硬化させることによって形成される、
ことを特徴とする請求項3に記載の物品製造方法。 - 前記平坦化膜は、SOC(Spin On Carbon)膜である、
ことを特徴とする請求項3に記載の物品製造方法。 - 前記第1形成工程は、前記基板の上に第2組成物を配置する配置工程と、前記第2組成物と第2型とを接触させる接触工程と、前記第2組成物を硬化させることによって前記焦点補償膜を形成する硬化工程とを含む、
ことを特徴とする請求項1乃至5のいずれか1項に記載の物品製造方法。 - 前記配置工程では、前記像面形状に応じて第2組成物が前記基板の上に配置される
ことを特徴とする請求項6に記載の物品製造方法。 - 前記第2型として、前記像面形状に応じた表面形状を有する型が使用される、
ことを特徴とする請求項6又は7に記載の物品製造方法。 - 前記像面形状に応じた前記表面形状は、前記像面形状に応じた深さを有する複数の凹部を含む、
ことを特徴とする請求項8に記載の物品製造方法。 - 前記基板は、複数のショット領域を有し、前記第2型は、前記複数のショット領域をカバーする領域を有する、
ことを特徴とする請求項6乃至9のいずれか1項に記載の物品製造方法。 - 前記露光装置は、走査露光装置であり、
前記像面形状は、走査露光の結果に現れる、基板の被露光面とベストフォーカス面との差分の二次元分布である、
ことを特徴とする請求項1乃至10のいずれか1項に記載の物品製造方法。 - 前記像面形状は、前記走査露光の方向に依存する、
ことを特徴とする請求項11に記載の物品製造方法。 - 目標表面形状を有する焦点補償膜を基板の上に形成する膜形成方法であって、
前記目標表面形状は、前記焦点補償膜の上にレジストパターンを形成するために使用される露光装置の像面形状に応じた表面形状である、
ことを特徴とする膜形成方法。 - 前記像面形状を計測する計測工程を更に含む、
ことを特徴とする請求項13に記載の膜形成方法。 - 前記焦点補償膜は、前記基板の上に配置された平坦化膜の上に形成される、
ことを特徴とする請求項13又は14に記載の膜形成方法。 - 前記平坦化膜は、前記基板の上に第1組成物を配置し、前記第1組成物と第1型とを接触させ、前記第1組成物を硬化させることによって形成される、
ことを特徴とする請求項15に記載の膜形成方法。 - 前記平坦化膜は、SOC(Spin On Carbon)膜である、
ことを特徴とする請求項15に記載の膜形成方法。 - 前記焦点補償膜は、前記基板の上に第2組成物を配置する配置工程と、前記第2組成物と第2型とを接触させる接触工程と、前記第2組成物を硬化させることによって前記焦点補償膜を形成する硬化工程とを経て形成される、
ことを特徴とする請求項13乃至17のいずれか1項に記載の膜形成方法。 - 前記配置工程では、前記像面形状に応じて第2組成物が前記基板の上に配置される
ことを特徴とする請求項18に記載の膜形成方法。 - 前記第2型として、前記像面形状に応じた表面形状を有する型が使用される、
ことを特徴とする請求項18又は19に記載の膜形成方法。 - 前記像面形状に応じた前記表面形状は、前記像面形状に応じた凹部を含む、
ことを特徴とする請求項20に記載の膜形成方法。 - 前記基板は、複数のショット領域を有し、前記第2型は、前記複数のショット領域をカバーする領域を有する、
ことを特徴とする請求項18乃至21のいずれか1項に記載の膜形成方法。 - 前記露光装置は、走査露光装置であり、前記像面形状は、走査露光における像面形状である、
ことを特徴とする請求項13乃至22のいずれか1項に記載の膜形成方法。 - 前記像面形状は、前記走査露光の方向に依存する、
ことを特徴とする請求項23に記載の膜形成方法。 - 基板の上の組成物と型の成形面とを接触させ前記組成物を硬化させることによって前記基板の上に前記組成物の硬化物からなる焦点補償膜を形成する膜形成装置において使用される前記型を製造する型製造方法であって、
前記成形面が前記焦点補償膜の上にレジストパターンを形成するために使用される露光装置の像面形状に応じた表面形状を有するように、前記成形面を形成する、
ことを特徴とする型製造方法。 - 原版のパターンを基板の上のレジスト層に投影し前記レジスト層を露光する露光装置であって、
前記露光装置の像面形状を示す形状情報が物品製造用の基板の複数のショット領域にマッピングされた情報を出力するプロセッサを備える、
ことを特徴とする露光装置。 - 原版のパターンを基板の上のレジスト層に投影し前記レジスト層を露光する露光装置から得られる第1情報および前記露光装置によって処理された前記基板から得られる第2情報の少なくとも一方を処理する情報処理方法であって、
前記第1情報および前記第2情報の少なくとも一方に基づいて、前記露光装置の像面形状を示す形状情報を取得する工程と、
前記形状情報が物品製造用の基板の複数のショット領域にマッピングされた情報を生成する工程と、
を含むことを特徴とする情報処理方法。 - 請求項27に記載の情報処理方法をコンピュータに実行させるプログラム。
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